{"product_id":"stetsom-stx-2448-dsp-crossover-equalizer-4-channel-full-digital-signal-processor-sequencer","title":"Stetsom STX 2448 DSP Crossover \u0026 Equalizer 4 Channel Full Digital Signal Processor (Sequencer)","description":"\u003cdiv\u003e\n\u003cp\u003eThe Stetsom STX 2448 DSP Crossover \u0026amp; Equalizer is a 2-input, 4-output digital signal processor built for precise multi-amp car audio systems, offering real-time tuning via LCD and an intuitive interface. It combines graphic and parametric EQ, advanced crossovers, dynamic limiting, and a REM sequencer for integrated system control.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eNumber of Channels\u003c\/b\u003e: 2 input \/ 4 output — provides two stereo inputs and four independent outputs to drive multiple amplifiers or zones in a single install.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGraphic Equalizer\u003c\/b\u003e: 15 bands (gain approx. 12 dB) — broad tonal shaping across the spectrum to correct room nulls and fine-tune overall balance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGraphic Equalization Presets\u003c\/b\u003e: 12 — ready-made curves for common genres and listening targets, enabling quick tonal shifts without manual tweaking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eParametric Equalizer\u003c\/b\u003e: 1 input + 1 per Output (gain approx. 12 dB, Q 0.4–10.0) — precise, frequency-specific control for surgical adjustments on each channel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCrossover\u003c\/b\u003e: Butterworth (12\/18\/24\/36\/48 dB\/8th) or Linkwitz-Riley (12\/18\/24\/36\/48 dB\/8th) — configurable slope and topology for clean, targeted frequency separation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRouting between Input and Output\u003c\/b\u003e: A, B or A+B per output — flexible source selection to tailor each output to a specific speaker configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAlignment\u003c\/b\u003e: 0–8 ms (275 cm) — precise time delay to align multiple loudspeakers for coherent imaging in the cabin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePhase Inversion\u003c\/b\u003e: 0°–180° — invert the output phase to correct polarity mismatches between drivers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLimiter\u003c\/b\u003e: Threshold -24 to 0 dB; Attack 0.1–100 ms; Release 1–1600 ms (manual\/automatic) — protects amps and drivers from clipping while maintaining dynamics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaster Level\u003c\/b\u003e: Master Level control — global level adjustment to balance the entire processed signal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDisplay and Controls\u003c\/b\u003e: LCD display, Encoder, Hotkeys — real-time interaction for on-the-fly adjustments without external software.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eREM Sequencer\u003c\/b\u003e: Sequencer enables activation of other devices via REM; REM IN auto-activates amplifiers with the head unit — coordinates power-up sequencing for system reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInputs\/Outputs\u003c\/b\u003e: AUDIO INPUT — RCA connectors (A and B) with independent actuation; AUDIO OUTPUT — RCA connectors delivering processed audio per settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePower and Safety\u003c\/b\u003e: NEGATIVE POWER CONNECTOR (GND); POSITIVE CONNECTOR (+BAT); recommended external fuse 1A — clearly defined power wiring for safe installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMemory and Security\u003c\/b\u003e: Save\/Load Settings in memory; Security Password to block parameter edits; Marquee\/Text Display with Language Selection (English, Spanish, Portuguese) — ensures stable, user-controlled configurations across installs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe STX 2448 is aimed at enthusiasts who want comprehensive, frame-accurate control of crossovers, EQ, and dynamics in a single chassis, with safety features and sequencing to keep complex systems reliable and repeatable.\u003c\/p\u003e \u003cbr\u003e \u003ctable class=\"a-bordered a-horizontal-stripes aplus-tech-spec-table\" data-mce-fragment=\"1\"\u003e\n\u003ctbody data-mce-fragment=\"1\"\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eNumber of Channels\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e2 input \/ 4 output\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eGraphic Equalizer\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e15 Bands (gain aprox. 12dB)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eGraphic Equalization Presets\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e12\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eParametric Equalizer\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1 input + 1 per Output (gain aprox. 12dB, Factor Q 0.4 ~ 10.0)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eCrossover Variable Frequency\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eButterworth: 12\/18\/24\/36\/48 dB\/8ª - Linkwitz-Riley: 12\/18\/24\/36\/48 dB\/8ª\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eRouting bet. Input and Output\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eA, B or A+B\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAlignment\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e0 ~ 8ms (275cm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePhase Inversion\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e0° ~ 180°\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e \u003cbr\u003e \u003ctable class=\"a-bordered a-horizontal-stripes aplus-tech-spec-table\" style=\"width: 534px;\" data-mce-fragment=\"1\"\u003e\n\u003ctbody data-mce-fragment=\"1\"\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" style=\"width: 156.547px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eLimiter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 359.453px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThreshold: -24 ~ 0dB \/ Attack: 0.1 ~ 100.0ms and Release: 1 ~ 1600ms (manual\/automatic)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" style=\"width: 156.547px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMaster Level and Gain\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 359.453px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e0 ~ 100% (Gain -45 ~ +15dB per output)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" style=\"width: 156.547px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMemory Positions Save\/Load\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 359.453px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAutosave + 5 slots\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" style=\"width: 156.547px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSecutiry\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 359.453px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePassword with 4 digits\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" style=\"width: 156.547px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFrequency Generator\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 359.453px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e10Hz ~ 22kHz, Level -60 ~ 0dB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" style=\"width: 156.547px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFrequency Sweep\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 359.453px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eFreq. initial and final 10Hz ~ 22kHz (Level -60 ~ 0dB and Speed Control)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" style=\"width: 156.547px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePink Noise Generator\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 359.453px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e10Hz ~ 22kHz and Level -60 ~ 0dB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" style=\"width: 156.547px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eScreensaver\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 359.453px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eEditable text with 15 characters\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e \u003cbr\u003e \u003ctable class=\"a-bordered a-horizontal-stripes aplus-tech-spec-table\" style=\"width: 534px;\" data-mce-fragment=\"1\"\u003e\n\u003ctbody data-mce-fragment=\"1\"\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" style=\"width: 158.375px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eLanguages\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 357.625px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePortuguese, English and Spanish\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" style=\"width: 158.375px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eLatency\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 357.625px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1.08ms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" style=\"width: 158.375px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eInput Impedance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 357.625px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e10KΩ\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" style=\"width: 158.375px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eOutput Impedance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 357.625px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e47Ω\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" style=\"width: 158.375px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMax. Input and Output Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 357.625px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e5.6 Vpp (+8.2 dBu)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" style=\"width: 158.375px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMax. Output Current SEQUENCER\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 357.625px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e180 mA per output\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e \u003cbr\u003e \u003ctable class=\"a-bordered a-horizontal-stripes aplus-tech-spec-table\" style=\"width: 534px;\" data-mce-fragment=\"1\"\u003e\n\u003ctbody data-mce-fragment=\"1\"\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" style=\"width: 158.062px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSaturation Indicator\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 357.938px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1 per input + 1 per output (linked to the Limiter)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" style=\"width: 158.062px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSignal-to-noise ratio\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 357.938px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u0026gt;90dB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" style=\"width: 158.062px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eTotal Harmonic Dist. (T.H.D)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 357.938px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u0026lt;0.01%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" style=\"width: 158.062px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eChannel Separation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 357.938px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u0026gt;80dB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" style=\"width: 158.062px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003ePower supply\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 357.938px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e9V ~ 16V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-mce-fragment=\"1\"\u003e\n\u003ctd class=\"a-text-bold\" style=\"width: 158.062px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMax. Current Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 357.938px;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e350mA @ 12.6V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Stetsom","offers":[{"title":"Default Title","offer_id":49850247217380,"sku":null,"price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/2522\/9028\/files\/CopyofUnnamedDesign.webp?v=1789261832","url":"https:\/\/www.12voltoutlet.com\/products\/stetsom-stx-2448-dsp-crossover-equalizer-4-channel-full-digital-signal-processor-sequencer","provider":"12 Volt Outlet","version":"1.0","type":"link"}